1 #include <stdio.h>
 2 
 3 struct Payload {
 4     char* title;
 5     char* data;
 6 };
 7 
 8 char* extractData(struct Payload *payload);
 9 
10 int main(int argc, char const *argv[])
11 {
12     struct Payload payload;
13     
14     payload.title = "content-type";
15     payload.data = "text/html";
16 
17     char* data = extractData(&payload);
18     printf("%s\n", data);
19 
20     return 0;
21 }
22 
23 
24 char* extractData(struct Payload *payload) {
25     if (NULL == payload) {
26         return 0;
27     }
28     
29     return payload->data;
30 }